package com.lqd.mall.jpa.constant;

/**
 *
 * 这个常量类主要是用于动态sql的使用
 * 后续针对动态工具类补充
 * @author 零起点
 * @create 2022年3月7日16:12:27
 */
public interface SqlUniversalConstants {

    String SELECT = " SELECT ";

    String FROM = " FROM ";
    /**
     * 更新
     */
    String UPDATE = " UPDATE ";
    /**
     * 删除
     */
    String DELETE = " DELETE ";

    /**
     * 条件
     */
    String WHERE = " WHERE ";

    /**
     * set
     */
    String SET = " SET ";

    String AND = " AND ";

    String OR = " OR ";

    String LIKE = " LIKE ";

    String IN = " IN ";

    /**
     * 等于
     */
     String IS_EQUAL_TO_THE= " = ";

    /**
     * 逗号
     */
     String COMMA = " , ";

    /**
     * 问号
     */
    String QUESTION_MARK = " ?";
    /**
     * 左括号
     */
    String LEFT_PARENTHESIS = " ( ";
    /**
     * 右括号
     */
    String RIGHT_PARENTHESIS = " ) ";
    /**
     * %
     */
    String PERCENT = "%";


    String COLON=":";




}
